[INFO] fetching crate pyn 0.4.0... [INFO] checking pyn-0.4.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate pyn 0.4.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate pyn 0.4.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pyn 0.4.0 [INFO] finished tweaking crates.io crate pyn 0.4.0 [INFO] tweaked toml for crates.io crate pyn 0.4.0 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate crates.io crate pyn 0.4.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_test v1.0.125 [INFO] [stderr] Downloaded displaydoc v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 88b41fafaf0f198b930c5e13272b882150c0eaa2c7c60411a26995846a869aa4 [INFO] running `Command { std: "docker" "start" "-a" "88b41fafaf0f198b930c5e13272b882150c0eaa2c7c60411a26995846a869aa4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "88b41fafaf0f198b930c5e13272b882150c0eaa2c7c60411a26995846a869aa4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88b41fafaf0f198b930c5e13272b882150c0eaa2c7c60411a26995846a869aa4", kill_on_drop: false }` [INFO] [stdout] 88b41fafaf0f198b930c5e13272b882150c0eaa2c7c60411a26995846a869aa4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7cb6b5a88be1d3323cbbb7907baba9906f8d6b02572adbe7daff003d3c6fc32f [INFO] running `Command { std: "docker" "start" "-a" "7cb6b5a88be1d3323cbbb7907baba9906f8d6b02572adbe7daff003d3c6fc32f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.71 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling cc v1.0.68 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling openssl v0.10.34 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Compiling httparse v1.4.1 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Checking futures-io v0.3.15 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking httpdate v1.0.1 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling encoding_rs v0.8.28 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking ipnet v2.3.0 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking http v0.2.4 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling tokio v1.6.0 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Compiling openssl-sys v0.9.63 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking http-body v0.4.2 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking globset v0.4.8 [INFO] [stderr] Checking ignore v0.4.18 [INFO] [stderr] Checking tokio-util v0.6.7 [INFO] [stderr] Checking h2 v0.3.3 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Compiling pin-project-internal v1.0.7 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling displaydoc v0.2.1 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking pin-project v1.0.7 [INFO] [stderr] Checking hyper v0.14.8 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking serde_test v1.0.125 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking reqwest v0.11.3 [INFO] [stderr] Checking serde_yaml v0.8.17 [INFO] [stderr] Checking pyn v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `package_json::PackageJson` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use package_json::PackageJson; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `PathBuf` [INFO] [stdout] --> src/package_json.rs:9:18 [INFO] [stdout] | [INFO] [stdout] 9 | path::{Path, PathBuf}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `package_json::PackageJson` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use package_json::PackageJson; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `PathBuf` [INFO] [stdout] --> src/package_json.rs:9:18 [INFO] [stdout] | [INFO] [stdout] 9 | path::{Path, PathBuf}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `env` [INFO] [stdout] --> src/project.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | env, fs, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `project` [INFO] [stdout] --> src/main.rs:123:45 [INFO] [stdout] | [INFO] [stdout] 123 | fn run_script_or_binary(current_dir: &Path, project: &Project, args: &[String]) -> Result<()> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_project` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `project` [INFO] [stdout] --> src/main.rs:123:45 [INFO] [stdout] | [INFO] [stdout] 123 | fn run_script_or_binary(current_dir: &Path, project: &Project, args: &[String]) -> Result<()> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_project` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `name` [INFO] [stdout] --> src/package_name.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn name(self) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ScopedPackageName` [INFO] [stdout] --> src/package_name.rs:85:12 [INFO] [stdout] | [INFO] [stdout] 85 | pub struct ScopedPackageName<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `scope` [INFO] [stdout] --> src/package_name.rs:91:12 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn scope(&self) -> &str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `name` [INFO] [stdout] --> src/package_name.rs:94:12 [INFO] [stdout] | [INFO] [stdout] 94 | pub fn name(&self) -> &str { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_scoped` [INFO] [stdout] --> src/package_name.rs:146:12 [INFO] [stdout] | [INFO] [stdout] 146 | pub fn is_scoped(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `scoped` [INFO] [stdout] --> src/package_name.rs:149:12 [INFO] [stdout] | [INFO] [stdout] 149 | pub fn scoped(&self) -> Option> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `name` [INFO] [stdout] --> src/package_name.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn name(self) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ScopedPackageName` [INFO] [stdout] --> src/package_name.rs:85:12 [INFO] [stdout] | [INFO] [stdout] 85 | pub struct ScopedPackageName<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `scope` [INFO] [stdout] --> src/package_name.rs:91:12 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn scope(&self) -> &str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `name` [INFO] [stdout] --> src/package_name.rs:94:12 [INFO] [stdout] | [INFO] [stdout] 94 | pub fn name(&self) -> &str { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_scoped` [INFO] [stdout] --> src/package_name.rs:146:12 [INFO] [stdout] | [INFO] [stdout] 146 | pub fn is_scoped(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `scoped` [INFO] [stdout] --> src/package_name.rs:149:12 [INFO] [stdout] | [INFO] [stdout] 149 | pub fn scoped(&self) -> Option> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/project.rs:147:5 [INFO] [stdout] | [INFO] [stdout] 147 | dbg!(Project::find(¤t_dir)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.62s [INFO] running `Command { std: "docker" "inspect" "7cb6b5a88be1d3323cbbb7907baba9906f8d6b02572adbe7daff003d3c6fc32f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cb6b5a88be1d3323cbbb7907baba9906f8d6b02572adbe7daff003d3c6fc32f", kill_on_drop: false }` [INFO] [stdout] 7cb6b5a88be1d3323cbbb7907baba9906f8d6b02572adbe7daff003d3c6fc32f